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Upcloud: Add possibility to setup cluster using nodes with no public IPs (#11696)

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* terraform upcloud: Added possibility to set up nodes with only private IPs

* terraform upcloud: add support for gateway in private zone

* terraform upcloud: split LB proxy protocol config per backend

* terraform upcloud: fix flexible plans

* terraform upcloud: Removed overview of cluster setup

---------

Co-authored-by: davidumea <david.andersson@elastisys.com>
This commit is contained in:
Fredrik Liv
2025-04-01 16:58:42 +02:00
committed by GitHub
parent fe2ab898b8
commit 6f74ef17f7
9 changed files with 296 additions and 119 deletions
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62
contrib/terraform/upcloud/main.tf
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@@ -20,24 +20,26 @@ module "kubernetes" {
username = var.username
private_network_cidr = var.private_network_cidr
dns_servers = var.dns_servers
use_public_ips = var.use_public_ips
machines = var.machines
ssh_public_keys = var.ssh_public_keys
firewall_enabled = var.firewall_enabled
firewall_default_deny_in = var.firewall_default_deny_in
firewall_default_deny_out = var.firewall_default_deny_out
master_allowed_remote_ips = var.master_allowed_remote_ips
k8s_allowed_remote_ips = var.k8s_allowed_remote_ips
master_allowed_ports = var.master_allowed_ports
worker_allowed_ports = var.worker_allowed_ports
firewall_enabled = var.firewall_enabled
firewall_default_deny_in = var.firewall_default_deny_in
firewall_default_deny_out = var.firewall_default_deny_out
master_allowed_remote_ips = var.master_allowed_remote_ips
k8s_allowed_remote_ips = var.k8s_allowed_remote_ips
bastion_allowed_remote_ips = var.bastion_allowed_remote_ips
master_allowed_ports = var.master_allowed_ports
worker_allowed_ports = var.worker_allowed_ports
loadbalancer_enabled = var.loadbalancer_enabled
loadbalancer_plan = var.loadbalancer_plan
loadbalancer_outbound_proxy_protocol = var.loadbalancer_proxy_protocol ? "v2" : ""
loadbalancer_legacy_network = var.loadbalancer_legacy_network
loadbalancers = var.loadbalancers
loadbalancer_enabled = var.loadbalancer_enabled
loadbalancer_plan = var.loadbalancer_plan
loadbalancer_legacy_network = var.loadbalancer_legacy_network
loadbalancers = var.loadbalancers
router_enable = var.router_enable
gateways = var.gateways
@@ -52,32 +54,12 @@ module "kubernetes" {
# Generate ansible inventory
#
data "template_file" "inventory" {
template = file("${path.module}/templates/inventory.tpl")
vars = {
connection_strings_master = join("\n", formatlist("%s ansible_user=ubuntu ansible_host=%s ip=%s etcd_member_name=etcd%d",
keys(module.kubernetes.master_ip),
values(module.kubernetes.master_ip).*.public_ip,
values(module.kubernetes.master_ip).*.private_ip,
range(1, length(module.kubernetes.master_ip) + 1)))
connection_strings_worker = join("\n", formatlist("%s ansible_user=ubuntu ansible_host=%s ip=%s",
keys(module.kubernetes.worker_ip),
values(module.kubernetes.worker_ip).*.public_ip,
values(module.kubernetes.worker_ip).*.private_ip))
list_master = join("\n", formatlist("%s",
keys(module.kubernetes.master_ip)))
list_worker = join("\n", formatlist("%s",
keys(module.kubernetes.worker_ip)))
}
}
resource "null_resource" "inventories" {
provisioner "local-exec" {
command = "echo '${data.template_file.inventory.rendered}' > ${var.inventory_file}"
}
triggers = {
template = data.template_file.inventory.rendered
}
resource "local_file" "inventory" {
content = templatefile("${path.module}/templates/inventory.tpl", {
master_ip = module.kubernetes.master_ip
worker_ip = module.kubernetes.worker_ip
bastion_ip = module.kubernetes.bastion_ip
username = var.username
})
filename = var.inventory_file
}